A 46 yrs old village lady, non diabetic,normotensive

A 46 yrs old village lady, non diabetic,normotensive patient has developed erythematous plaque with some papular vesicular lesion on the several parts of the body which r shown in picture.severe tenderness and sligjtly raised temperature over the lesion.but there is no itching.would u plz tell me how i proceed this case including investigation and treatment
Tnx

*Sweet Syndrome

*Idiopathic Neutrophilic Eccrine Hidradenitis

*Eiosinophilic Fasciitis

*Eiosinophilic Cellulitis

*Urticarial Vasculitis

Oh sorry

Duration is 7-10 days

Complaints generalized bodyache

Duration of lesion? Is there H/O fever or not? Any investigation done specially CBC?